phpMyFAQ before 4.1.3 contains an unauthenticated password reset vulnerability in the user password update API endpoint that allows attackers to change account passwords without token validation. Attackers can enumerate valid username and email pairs and force immediate password changes by sending PUT requests to the /api/index.php/user/password/update endpoint, causing account disruption and invalidating legitimate user credentials.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
thorsten phpMyFAQ unaffected
Version Status Constraints
0 affected < 4.1.3
4.1.3 unaffected —

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Project Subscriptions

Vendors Products
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Phpmyfaq Subscribe
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-9qv9-8xv6-5p35 phpMyFAQ: Unauthenticated Password Reset Endpoint Allows User Enumeration and Forced Password Change Without Token Validation
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9qv9-8xv6-5p35 cve-icon cve-icon cve-icon
https://www.vulncheck.com/advisories/phpmyfaq-unauthenticated-password-reset-via-user-password-update-endpoint cve-icon cve-icon
History

Thu, 28 May 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 28 May 2026 15:30:00 +0000

Type Values Removed Values Added
Description phpMyFAQ before 4.1.3 contains an unauthenticated password reset vulnerability in the user password update API endpoint that allows attackers to change account passwords without token validation. Attackers can enumerate valid username and email pairs and force immediate password changes by sending PUT requests to the /api/index.php/user/password/update endpoint, causing account disruption and invalidating legitimate user credentials.
Title phpMyFAQ - Unauthenticated Password Reset via User Password Update Endpoint
First Time appeared Phpmyfaq
Phpmyfaq phpmyfaq
Weaknesses CWE-640
CPEs cpe:2.3:a:phpmyfaq:phpmyfaq:*:*:*:*:*:*:*:*
Vendors & Products Phpmyfaq
Phpmyfaq phpmyfaq
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N'}

cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-28T15:35:36.744Z

Reserved: 2026-04-04T12:32:50.477Z

Link: CVE-2026-35676

cve-icon Vulnrichment

Updated: 2026-05-28T15:35:20.528Z

cve-icon NVD

Status : Received

Published: 2026-05-28T16:16:21.923

Modified: 2026-05-28T17:16:20.443

Link: CVE-2026-35676

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-28T16:30:15Z

Weaknesses